diff --git a/addons/auth_oauth/views/res_config_settings_views.xml b/addons/auth_oauth/views/res_config_settings_views.xml
index 7a15ba09333..21e453e31cb 100644
--- a/addons/auth_oauth/views/res_config_settings_views.xml
+++ b/addons/auth_oauth/views/res_config_settings_views.xml
@@ -21,7 +21,7 @@
                         </div>
                         <div class="o_setting_right_pane">
                             <label string="Google Authentication" for="auth_oauth_google_enabled"/>
-                            <a href="https://www.odoo.com/documentation/user/13.0/general/auth/google.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                            <a href="https://www.odoo.com/documentation/user/13.0/general/auth/google.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                             <div class="text-muted">
                                 Allow users to sign in with their Google account
                             </div>
diff --git a/addons/base_setup/static/src/scss/settings.scss b/addons/base_setup/static/src/scss/settings.scss
index 5e94045dff3..7e6c7a503f6 100644
--- a/addons/base_setup/static/src/scss/settings.scss
+++ b/addons/base_setup/static/src/scss/settings.scss
@@ -4,3 +4,15 @@
         font-weight: 500;
     }
 }
+
+.o_doc_link {
+    text-decoration: none;
+    color: #666666;
+    font-weight: normal;
+
+    &::after{
+        content: "\f128"; //fa-question
+        font-family: 'FontAwesome';
+        font-size: 1.2rem;
+    }
+}
\ No newline at end of file
diff --git a/addons/base_setup/views/res_config_settings_views.xml b/addons/base_setup/views/res_config_settings_views.xml
index 9030fdb278b..37ed808ce34 100644
--- a/addons/base_setup/views/res_config_settings_views.xml
+++ b/addons/base_setup/views/res_config_settings_views.xml
@@ -22,7 +22,7 @@
                                         <span class='o_form_label' attrs="{'invisible':[('active_user_count', '&lt;=', '1')]}">
                                             Active Users
                                         </span>
-                                        <a href="https://www.odoo.com/documentation/user/13.0/general/odoo_basics/add_user.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                        <a href="https://www.odoo.com/documentation/user/13.0/general/odoo_basics/add_user.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                         <br/>
                                         <button name="%(base.action_res_users)d" icon="fa-arrow-right" type="action" string="Manage Users" class="btn-link o_web_settings_access_rights"/>
 
@@ -80,7 +80,7 @@
                                             <span class='o_form_label' attrs="{'invisible':[('language_count', '&lt;=', '1')]}">
                                                 Languages
                                             </span>
-                                            <a href="https://www.odoo.com/documentation/user/13.0/general/odoo_basics/choose_language.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                            <a href="https://www.odoo.com/documentation/user/13.0/general/odoo_basics/choose_language.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                         </div>
                                         <div class="mt8">
                                             <button name="%(base.res_lang_act_window)d" icon="fa-arrow-right" type="action" string="Manage Languages" class="btn-link"/>
@@ -144,8 +144,8 @@
                                         <div class="o_setting_right_pane" id="sms_settings">
                                             <div class="o_form_label">
                                             Send SMS
-                                            <a href="https://www.odoo.com/documentation/user/13.0/sms_marketing/overview/integrations_and_template.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
-                                            <a href="https://www.odoo.com/documentation/user/13.0/sms_marketing/pricing/pricing_and_faq.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                            <a href="https://www.odoo.com/documentation/user/13.0/sms_marketing/overview/integrations_and_template.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                            <a href="https://www.odoo.com/documentation/user/13.0/sms_marketing/pricing/pricing_and_faq.html" title="Documentation" class="ml-1 o_doc_link" target="_blank"></a>
                                             </div>
                                             <div class="text-muted">
                                                 Send texts to your contacts
@@ -190,7 +190,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label string="Import &amp; Export" for="module_base_import"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/general/base_import/import_faq.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/general/base_import/import_faq.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Allow users to import data from CSV/XLS/XLSX/ODS files
                                 </div>
@@ -251,7 +251,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label string="Google Calendar" for="module_google_calendar"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/crm/optimize/google_calendar_credentials.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/crm/optimize/google_calendar_credentials.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Synchronize your calendar with Google Calendar
                                     </div>
@@ -308,7 +308,7 @@
                                 </div>
                                 <div class="o_setting_right_pane" name="auth_ldap_right_pane">
                                     <label string="LDAP Authentication" for="module_auth_ldap"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/general/auth/ldap.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/general/auth/ldap.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                        Use LDAP credentials to log in
                                     </div>
@@ -337,7 +337,7 @@
                                 </div>
                                 <div class="o_setting_right_pane" id="web_unsplash_settings">
                                     <label for="module_web_unsplash"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/general/unsplash/unsplash_access_key.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/general/unsplash/unsplash_access_key.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Find free high-resolution images from Unsplash
                                     </div>
diff --git a/addons/crm/views/res_config_settings_views.xml b/addons/crm/views/res_config_settings_views.xml
index 8899132e8b5..f0cabe5d527 100644
--- a/addons/crm/views/res_config_settings_views.xml
+++ b/addons/crm/views/res_config_settings_views.xml
@@ -112,7 +112,7 @@
 
                             <div class="o_setting_right_pane" id="crm_iap_lead_settings">
                                 <label string="Lead Mining" for="module_crm_iap_lead"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/crm/acquire_leads/lead_mining.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/crm/acquire_leads/lead_mining.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Generate new leads based on their country, industry, size, etc.
                                 </div>
diff --git a/addons/iap/views/res_config_settings.xml b/addons/iap/views/res_config_settings.xml
index 13500afe147..f755d298b8f 100644
--- a/addons/iap/views/res_config_settings.xml
+++ b/addons/iap/views/res_config_settings.xml
@@ -24,8 +24,8 @@ if records:
                             <div class='o_setting_right_pane'>
                                 <div class="o_form_label">
                                 Odoo IAP
-                                <a href="https://www.odoo.com/documentation/user/13.0/general/in_app_purchase/in_app_purchase.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
-                                <a href="https://www.odoo.com/documentation/13.0/webservices/iap.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/general/in_app_purchase/in_app_purchase.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/13.0/webservices/iap.html" title="Documentation" class="ml-1 o_doc_link" target="_blank"></a>
                                 </div>
                                 <div class="text-muted">
                                     View your IAP Services and recharge your credits
diff --git a/addons/mrp/views/res_config_settings_views.xml b/addons/mrp/views/res_config_settings_views.xml
index 3211dc0466d..229ff502fc6 100644
--- a/addons/mrp/views/res_config_settings_views.xml
+++ b/addons/mrp/views/res_config_settings_views.xml
@@ -18,7 +18,7 @@
                                 </div>
                                 <div class="o_setting_right_pane" id="workorder_settings">
                                     <label for="group_mrp_routings" string="Work Orders"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/manufacturing/management/manufacturing_order.html#manage-manufacturing-with-routings-and-work-centers" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/manufacturing/management/manufacturing_order.html#manage-manufacturing-with-routings-and-work-centers" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Process operations at specific work centers based on the routing
                                     </div>
@@ -40,7 +40,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_mrp_subcontracting"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/manufacturing/management/subcontracting.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/manufacturing/management/subcontracting.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Subcontract the production of some products
                                     </div>
@@ -52,7 +52,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_quality_control"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/quality.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/quality.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Add quality checks to your work orders
                                     </div>
@@ -80,7 +80,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_mrp_mps"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/manufacturing/management/use_mps.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/manufacturing/management/use_mps.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Plan manufacturing or purchase orders based on forecasts
                                     </div>
@@ -93,7 +93,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label string="Security Lead Time" for="use_manufacturing_lead"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/planning/scheduled_date.html" title="Documentation" class="mr-2 fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/planning/scheduled_date.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                                     <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." role="img" aria-label="Values set here are company-specific." groups="base.group_multi_company"/>
                                     <div class="text-muted">
                                         Schedule manufacturing orders earlier to avoid delays
diff --git a/addons/point_of_sale/views/res_config_settings_views.xml b/addons/point_of_sale/views/res_config_settings_views.xml
index e572b351828..b9d31e82d6a 100644
--- a/addons/point_of_sale/views/res_config_settings_views.xml
+++ b/addons/point_of_sale/views/res_config_settings_views.xml
@@ -93,7 +93,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="group_cash_rounding"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/point_of_sale/advanced/cash_rounding.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/point_of_sale/advanced/cash_rounding.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Define the smallest coinage of the currency used to pay by cash
                                 </div>
@@ -115,7 +115,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="module_pos_mercury" string="Vantiv (US &amp; Canada)"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/point_of_sale/payment/vantiv.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/point_of_sale/payment/vantiv.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Accept payments with a Vantiv payment terminal
                                 </div>
diff --git a/addons/project/views/res_config_settings_views.xml b/addons/project/views/res_config_settings_views.xml
index 6da1fe7ca13..711edcd627f 100644
--- a/addons/project/views/res_config_settings_views.xml
+++ b/addons/project/views/res_config_settings_views.xml
@@ -38,7 +38,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_project_rating"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/project/advanced/feedback.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/project/advanced/feedback.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Track customer satisfaction on tasks
                                     </div>
diff --git a/addons/purchase/views/res_config_settings_views.xml b/addons/purchase/views/res_config_settings_views.xml
index b0c831c5744..98ba8144739 100644
--- a/addons/purchase/views/res_config_settings_views.xml
+++ b/addons/purchase/views/res_config_settings_views.xml
@@ -20,7 +20,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="po_order_approval"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/purchase/purchases/rfq/approvals.html" title="Documentation" class="mr-2 fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/purchase/purchases/rfq/approvals.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                                 <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." aria-label="Values set here are company-specific." groups="base.group_multi_company" role="img"/>
                                 <div class="text-muted">
                                     Request managers to approve orders above a minimum amount
@@ -39,7 +39,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="lock_confirmed_po"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/purchase/purchases/rfq/lock_orders.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/purchase/purchases/rfq/lock_orders.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Automatically lock confirmed orders to prevent edition
                                 </div>
@@ -51,7 +51,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="group_warning_purchase" string="Warnings"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/purchase/purchases/rfq/warning.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/purchase/purchases/rfq/warning.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Get warnings in orders for products or vendors
                                 </div>
@@ -65,7 +65,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="module_purchase_requisition"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/purchase/purchases/tender/call_for_tender.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/purchase/purchases/tender/call_for_tender.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Manage your purchase agreements (call for tenders, blanket orders)
                                 </div>
@@ -81,7 +81,7 @@
                             <div class="o_setting_left_pane"/>
                             <div class="o_setting_right_pane">
                                 <label for="default_purchase_method"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/purchase/purchases/rfq/bills.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/purchase/purchases/rfq/bills.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Quantities billed by vendors
                                 </div>
@@ -100,7 +100,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="module_account_3way_match"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/purchase/purchases/rfq/3_way_matching.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/purchase/purchases/rfq/3_way_matching.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Make sure you only pay bills for which you received the goods you ordered
                                 </div>
diff --git a/addons/purchase_stock/views/res_config_settings_views.xml b/addons/purchase_stock/views/res_config_settings_views.xml
index 6f592407aa4..ce93a3929ed 100644
--- a/addons/purchase_stock/views/res_config_settings_views.xml
+++ b/addons/purchase_stock/views/res_config_settings_views.xml
@@ -17,7 +17,7 @@
 						</div>
 						<div class="o_setting_right_pane">
 							<label for="module_stock_dropshipping"/>
-							<a href="https://www.odoo.com/documentation/user/13.0/purchase/replenishment/flows/dropshipping.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+							<a href="https://www.odoo.com/documentation/user/13.0/purchase/replenishment/flows/dropshipping.html" title="Documentation" class="o_doc_link" target="_blank"></a>
 							<div class="text-muted">
 								Request your vendors to deliver to your customers
 							</div>
@@ -45,7 +45,7 @@
 					</div>
 					<div class="o_setting_right_pane">
 						<label for="use_po_lead"/>
-						<a href="https://www.odoo.com/documentation/user/13.0/inventory/management/planning/scheduled_date.html" title="Documentation" class="mr-2 fa fa-lg fa-book" target="_blank"></a>
+						<a href="https://www.odoo.com/documentation/user/13.0/inventory/management/planning/scheduled_date.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
 						<span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>
 						<div class="text-muted">
 							Schedule receivings earlier to avoid delays
diff --git a/addons/sale/views/res_config_settings_views.xml b/addons/sale/views/res_config_settings_views.xml
index 9120d628764..c2e8bfb29fb 100644
--- a/addons/sale/views/res_config_settings_views.xml
+++ b/addons/sale/views/res_config_settings_views.xml
@@ -17,7 +17,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="group_product_variant"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/sales/products_prices/products/variants.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/sales/products_prices/products/variants.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Sell variants of a product using attributes (size, color, etc.)
                                 </div>
@@ -127,7 +127,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="group_product_pricelist"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/sales/products_prices/prices/pricing.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/sales/products_prices/prices/pricing.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Set multiple prices per product, automated discounts, etc.
                                 </div>
@@ -179,7 +179,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="portal_confirmation_sign"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/sales/send_quotations/get_signature_to_validate.html" title="Documentation" class="mr-2 fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/sales/send_quotations/get_signature_to_validate.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                                 <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>
                                 <div class="text-muted">
                                     Request an online signature to confirm orders
@@ -192,7 +192,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="portal_confirmation_pay"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/sales/send_quotations/get_paid_to_validate.html" title="Documentation" class="mr-2 fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/sales/send_quotations/get_paid_to_validate.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                                 <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>
                                 <div class="text-muted">
                                     Request an online payment to confirm orders
@@ -220,7 +220,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="group_sale_delivery_address"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/sales/send_quotations/different_addresses.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/sales/send_quotations/different_addresses.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Select specific invoice and delivery addresses
                                 </div>
@@ -382,7 +382,7 @@
                              title="This default value is applied to any new product created. This can be changed in the product detail form.">
                             <div class="o_setting_right_pane">
                                 <label for="default_invoice_policy"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/sales/invoicing/invoicing_policy.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/sales/invoicing/invoicing_policy.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Quantities to invoice from sales orders
                                 </div>
@@ -414,7 +414,7 @@
                             <div class="o_setting_left_pane"/>
                             <div class="o_setting_right_pane">
                                 <span class="o_form_label">Down Payments</span>
-                                <a href="https://www.odoo.com/documentation/user/13.0/sales/invoicing/down_payment.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/sales/invoicing/down_payment.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Product used for down payments
                                 </div>
@@ -432,7 +432,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="module_sale_amazon"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/sales/amazon_connector/setup.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/sales/amazon_connector/setup.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Import Amazon orders and sync deliveries
                                 </div>
diff --git a/addons/sale_management/views/res_config_settings_views.xml b/addons/sale_management/views/res_config_settings_views.xml
index fbad0a329dc..0b608b2bf32 100644
--- a/addons/sale_management/views/res_config_settings_views.xml
+++ b/addons/sale_management/views/res_config_settings_views.xml
@@ -14,7 +14,7 @@
                     </div>
                     <div class="o_setting_right_pane">
                         <label for="group_sale_order_template"/>
-                        <a href="https://www.odoo.com/documentation/user/13.0/sales/send_quotations/quote_template.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                        <a href="https://www.odoo.com/documentation/user/13.0/sales/send_quotations/quote_template.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                         <div class="text-muted">
                             Create standardized offers with default products
                         </div>
diff --git a/addons/sale_stock/views/res_config_settings_views.xml b/addons/sale_stock/views/res_config_settings_views.xml
index 09f695adc57..1690320b074 100644
--- a/addons/sale_stock/views/res_config_settings_views.xml
+++ b/addons/sale_stock/views/res_config_settings_views.xml
@@ -83,7 +83,7 @@
                     </div>
                     <div class="o_setting_right_pane">
                         <label for="use_security_lead"/>
-                        <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/planning/scheduled_date.html" title="Documentation" class="mr-2 fa fa-lg fa-book" target="_blank"></a>
+                        <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/planning/scheduled_date.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                         <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." role="img" aria-label="Values set here are company-specific." groups="base.group_multi_company"/>
                         <div class="text-muted">
                             Schedule deliveries earlier to avoid delays
diff --git a/addons/sale_timesheet/views/res_config_settings_views.xml b/addons/sale_timesheet/views/res_config_settings_views.xml
index 5355b5ffa47..a09f7d0f614 100644
--- a/addons/sale_timesheet/views/res_config_settings_views.xml
+++ b/addons/sale_timesheet/views/res_config_settings_views.xml
@@ -13,7 +13,7 @@
                     <div class="col-12 col-lg-6 o_setting_box" id="time_billing_setting">
                         <div class="o_setting_right_pane">
                             <span class="o_form_label">Time Billing</span>
-                            <a href="https://www.odoo.com/documentation/user/13.0/project/advanced/so_to_task.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                            <a href="https://www.odoo.com/documentation/user/13.0/project/advanced/so_to_task.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                             <div class="text-muted">
                                 Sell services and invoice time spent
                             </div>
diff --git a/addons/stock/views/res_config_settings_views.xml b/addons/stock/views/res_config_settings_views.xml
index 0888adf5e52..4136d064f3a 100644
--- a/addons/stock/views/res_config_settings_views.xml
+++ b/addons/stock/views/res_config_settings_views.xml
@@ -17,7 +17,7 @@
                                 </div>
                                 <div class="o_setting_right_pane" id="barcode_settings">
                                     <label for="module_stock_barcode"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/barcode/setup/software.html" title="Documentation" class="mr-2 fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/barcode/setup/software.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                                     <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>
                                     <div class="text-muted" name="stock_barcode">
                                         Process operations faster with barcodes
@@ -35,7 +35,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_tracking_lot"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/products/usage.html#packages" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/products/usage.html#packages" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Put your products in packs (e.g. parcels, boxes) and track them
                                     </div>
@@ -72,7 +72,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="stock_move_email_validation" string="Email Confirmation"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/misc/email_delivery.html" title="Documentation" class="mr-2 fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/misc/email_delivery.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                                     <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>
                                     <div class="text-muted">
                                         Send an automatic confirmation email when Delivery Orders are done
@@ -89,7 +89,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_stock_sms"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/misc/sms_delivery.html" title="Documentation" class="mr-2 fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/misc/sms_delivery.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                                     <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>
                                     <div class="text-muted">
                                         Send an automatic confirmation SMS Text Message when Delivery Orders are done
@@ -127,7 +127,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_delivery_ups"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Compute shipping costs and ship with UPS
                                     </div>
@@ -142,7 +142,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_delivery_dhl"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Compute shipping costs and ship with DHL
                                     </div>
@@ -157,7 +157,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_delivery_fedex"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Compute shipping costs and ship with FedEx
                                     </div>
@@ -172,7 +172,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_delivery_usps"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Compute shipping costs and ship with USPS
                                     </div>
@@ -187,7 +187,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_delivery_bpost"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Compute shipping costs and ship with bpost
                                     </div>
@@ -203,7 +203,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_delivery_easypost"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Compute shipping costs and ship with Easypost
                                     </div>
@@ -221,7 +221,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_product_variant"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/sales/products_prices/products/variants.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/sales/products_prices/products/variants.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Set product attributes (e.g. color, size) to manage variants
                                     </div>
@@ -238,7 +238,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_uom"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/products/uom.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/products/uom.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Sell and purchase products in different units of measure
                                     </div>
@@ -257,7 +257,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_packaging"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/products/usage.html#packaging" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/products/usage.html#packaging" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Manage product packagings (e.g. pack of 6 bottles, box of 10 pieces)
                                     </div>
@@ -277,7 +277,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_production_lot"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/lots_serial_numbers/differences.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/lots_serial_numbers/differences.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Get a full traceability from vendors to customers
                                     </div>
@@ -314,7 +314,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_tracking_owner"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/misc/owned_stock.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/misc/owned_stock.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Set owner on stored products
                                     </div>
@@ -331,7 +331,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_multi_locations"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/warehouses/difference_warehouse_location.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/warehouses/difference_warehouse_location.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Track product location in your warehouse
                                     </div>
@@ -349,7 +349,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_multi_warehouses"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/warehouses/difference_warehouse_location.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/warehouses/difference_warehouse_location.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Manage several warehouses
                                     </div>
@@ -368,7 +368,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_adv_location"/>
-                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/routes/concepts/use_routes.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/user/13.0/inventory/routes/concepts/use_routes.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Use your own routes
                                     </div>
diff --git a/addons/stock_account/views/res_config_settings_views.xml b/addons/stock_account/views/res_config_settings_views.xml
index bdc8c206e6b..b7dfd807193 100644
--- a/addons/stock_account/views/res_config_settings_views.xml
+++ b/addons/stock_account/views/res_config_settings_views.xml
@@ -17,7 +17,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="module_stock_landed_costs"/>
-                                <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/reporting/integrating_landed_costs.html" title="Documentation" class="o_doc_link fa fa-lg fa-book" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/user/13.0/inventory/management/reporting/integrating_landed_costs.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Add additional cost (transport, customs, ...) in the value of the product.
                                 </div>